Astronomy news

Dwarf galaxies shed light on dark matter

The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them, researchers said Monday.

date15 hours ago in Astronomy
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The evolution of massive galaxy clusters

Galaxy clusters have long been recognized as important laboratories for the study of galaxy formation and evolution. The advent of the new generation of millimeter and submillimeter wave survey telescopes, like the South ...

dateJan 20, 2017 in Astronomy
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Image: Hubble's slice of Sagittarius

This stunning image, captured by the NASA/ESA Hubble Space Telescope's Advanced Camera for Surveys (ACS), shows part of the sky in the constellation of Sagittarius (The Archer). The region is rendered in exquisite detail—deep ...

dateJan 20, 2017 in Astronomy
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A catalog of habitable zone exoplanets

The last two decades have seen an explosion of detections of exoplanets, as the sensitivity to smaller planets has dramatically improved thanks especially to the Kepler mission. These discoveries have found that the frequency ...

dateJan 18, 2017 in Astronomy
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